Outcast chest bugged?

So I just talked to Amalia in Galawains Tusks. I talked her down and she said she would give me the armor in this chest but I already opened it.....but I didn't. It's still shut by an outcast chest key and I have no idea how to get it. Anyone know of a workaround?

So I just talked to Amalia in Galawains Tusks. I talked her down and she said she would give me the armor in this chest but I already opened it.....but I didn't. It's still shut by an outcast chest key and I have no idea how to get it. Anyone know of a workaround?